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Finding the Fourth Proportional to 57,857.93, 79,811.80 and 33,656.17

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Solution

The fourth proportional to 57,857.93, 79,811.80 and 33,656.17 is: 46,426.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,857.93 : 79,811.80 = 33,656.17 : x
  2. Step 2: Convert to fraction form
    57,857.93/79,811.80 = 33,656.17/x
  3. Step 3: Cross multiply
    57,857.93x = 79,811.80 × 33,656.17
  4. Step 4: Simplify right side
    57,857.93x = 2,686,159,710.74
  5. Step 5: Solve for x
    x = 2,686,159,710.74/57,857.93
  6. Step 6: Final answer
    x = 46,426.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.